40258920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 131725440

約数和(自身を除く): 91466520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 131, 156, 195, 197, 260, 262, 312, 390, 393, 394, 520, 524, 591, 655, 780, 786, 788, 985, 1048, 1182, 1310, 1560, 1572, 1576, 1703, 1965, 1970, 2364, 2561, 2620, 2955, 3144, 3406, 3930, 3940, 4728, 5109, 5122, 5240, 5910, 6812, 7683, 7860, 7880, 8515, 10218, 10244, 11820, 12805, 13624, 15366, 15720, 17030, 20436, 20488, 23640, 25545, 25610, 25807, 30732, 34060, 38415, 40872, 51090, 51220, 51614, 61464, 68120, 76830, 77421, 102180, 102440, 103228, 129035, 153660, 154842, 204360, 206456, 258070, 307320, 309684, 335491, 387105, 516140, 619368, 670982, 774210, 1006473, 1032280, 1341964, 1548420, 1677455, 2012946, 2683928, 3096840, 3354910, 4025892, 5032365, 6709820, 8051784, 10064730, 13419640, 20129460, 40258920]

約数ペア:

[(1, 40258920), (2, 20129460), (3, 13419640), (4, 10064730), (5, 8051784), (6, 6709820), (8, 5032365), (10, 4025892), (12, 3354910), (13, 3096840), (15, 2683928), (20, 2012946), (24, 1677455), (26, 1548420), (30, 1341964), (39, 1032280), (40, 1006473), (52, 774210), (60, 670982), (65, 619368), (78, 516140), (104, 387105), (120, 335491), (130, 309684), (131, 307320), (156, 258070), (195, 206456), (197, 204360), (260, 154842), (262, 153660), (312, 129035), (390, 103228), (393, 102440), (394, 102180), (520, 77421), (524, 76830), (591, 68120), (655, 61464), (780, 51614), (786, 51220), (788, 51090), (985, 40872), (1048, 38415), (1182, 34060), (1310, 30732), (1560, 25807), (1572, 25610), (1576, 25545), (1703, 23640), (1965, 20488), (1970, 20436), (2364, 17030), (2561, 15720), (2620, 15366), (2955, 13624), (3144, 12805), (3406, 11820), (3930, 10244), (3940, 10218), (4728, 8515), (5109, 7880), (5122, 7860), (5240, 7683), (5910, 6812)]